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Finding the Fourth Proportional to 251,010.99, 346,398.15 and 136,291.01

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Solution

The fourth proportional to 251,010.99, 346,398.15 and 136,291.01 is: 188,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,010.99 : 346,398.15 = 136,291.01 : x
  2. Step 2: Convert to fraction form
    251,010.99/346,398.15 = 136,291.01/x
  3. Step 3: Cross multiply
    251,010.99x = 346,398.15 × 136,291.01
  4. Step 4: Simplify right side
    251,010.99x = 47,210,953,725.63
  5. Step 5: Solve for x
    x = 47,210,953,725.63/251,010.99
  6. Step 6: Final answer
    x = 188,083.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.